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Big Bertha
Big Bertha is a slot machine that stands out among other slots thanks to its look, mechanism of play and payout specifics. But if it’s absolutely fine with the first two distinctive features, the last one wasn’t so well though: in the history of slot machines Big Bertha slot is marked with the worst ever return of invested money.

Debut Success
Unlike fruit machines, Big Bertha was extremely expensive to produce. The total cost for its manufacturing was about $150,000, though its availability was limited greatly by this fact. Big Bertha slot machine was much more complicated from the point of view of production and mechanism of work than the other slots, existing in the middle of 20th century. In a very short time the Big Bertha was replaced by even bigger slot of its generation – Super Big Bertha. The Slot was powered by 5 horsepower electric motor that drove the 20 inch wide chain driven wheels. There were eight reels with twenty symbols on each reel, which means, it was 25.6 billion various possible symbol combinations.
Big Bertha Issue
Big Bertha Slots were rather expensive to buy, so they mostly could be found in Las Vegas casinos. By the way, the casinos were the only ones, who got good money from Big Berta slots. For players it was almost impossible to win, or get even the half of their money back. The thing is the odds of hitting a jackpot were immensely high. The odds were estimated in over 15 billion spins at one. No matter how hard the player had tried, even a million or a billion spins were unlikely to produce jackpot money.
Big Bertha Winners
Though it was rather hard to win huge sum of money playing Big Bertha, there were some people who got a success in such affair. In 1973 at Harold’s club in Reno a sum of $65, 093 was won in one pull of slot on a 1-dollar progressive. A woman won $1.000.000, in 2001, Ontario, Canada. Actually it wasn’t too much, because every pull cost $100.
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